Publications
Publications
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- All HBS Web
(2,348)
- Faculty Publications (462)
- November 2023 (Revised April 2024)
- Case
Celsius Network Inc.: Fear, Uncertainty, and Doubt in the Brave New World of Crypto Bankruptcy
By: Stuart C. Gilson and Sarah L. Abbott
In July 2022, Celsius Network filed for Chapter 11 bankruptcy. CEO Alex Mashinsky acknowledged that Celsius had grown its assets “faster than the Company was prepared to deploy [them]” and as a result had made “certain poor asset deployment decisions.” Two months after... View Details
- 2023
- Working Paper
Do Active Funds Do Better in What They Trade?
By: Marco Sammon and John J. Shim
We develop two new, simple measures to quantify active fund decisions at the individual position level. The intuition is to separate passive rebalancing induced by flows and position changes from active rebalancing decisions. We find that additive active rebalancing --... View Details
- 2025
- Working Paper
Healthcare Provider Bankruptcies
By: Samuel Antill, Ashvin Gandhi, Jessica Bai and Adrienne Sabety
Healthcare firms are filing for Chapter 11 bankruptcy at record rates. We find that bankruptcies increase healthcare staff turnover, worsen care, and harm patients. Using a difference-in-differences design, we estimate that a bankruptcy filing immediately increases... View Details
- November 2023
- Article
When Executives Pledge Integrity: The Effect of the Accountant's Oath on Firms' Financial Reporting
By: Jonas Heese, Gerardo Pérez Cavazos and Caspar David Peter
We study the effect of executives’ pledges of integrity on firms’ financial reporting outcomes by exploiting a 2016 regulation that requires holders of Dutch professional accounting degrees to pledge an integrity oath. We identify chief executive officers (CEOs) and... View Details
- October 2023 (Revised March 2024)
- Case
KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing
By: George Serafeim, Siko Sikochi and Namrata Arora
The problem was massive: two million hectares of African forests were lost annually to charcoal production for cooking, an area equivalent to 13 times Greater London, resulting in one billion tons of carbon emissions yearly. At the same time, an estimated 700,000... View Details
Keywords: Clean Tech; Digital; Carbon Credits; Carbon Offsetting; Climate Change; Entrepreneurship; Energy Sources; Environmental Sustainability; Health; Market Design; Business Startups; Transition; Environmental Regulation; Policy; Energy Industry; Consumer Products Industry; Africa; Kenya; Rwanda
- 2022
- Working Paper
Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market
By: Zach Y. Brown, Mark Egan, Jihye Jeon, Chuqing Jin and Alex A. Wu
Index funds are one of the most common ways investors access financial markets and are perceived to be a transparent and low-cost alternative to active investment management. Despite these purported virtues of index fund investing and the introduction of new products... View Details
- September 2023
- Case
The Rise and Fall of FTX
In November 2022, Sam Bankman-Fried's multi-billion-dollar crypto exchange, FTX, collapsed, wiping out investors and throwing the crypto industry into disarray. As FTX's founder and CEO, Bankman-Fried developed a reputation for his unerring business sense and... View Details
- September 2023 (Revised October 2024)
- Case
Forecasting Climate Risks: Aviva’s Climate Calculus
By: Mark Egan and Peter Tufano
In late 2021, Ben Carr, Director of Analytics and Capital Modeling at Aviva Plc (Aviva)—a leading insurer with core operations in the UK, Ireland and Canada,—was preparing for an upcoming presentation before the company's board which included its CEO, Amanda Blanc,... View Details
- 2025
- Working Paper
Better Keep the Twenty Dollars: Incentivizing Innovation in Open Source
By: Annamaria Conti, Vansh Gupta, Jorge Guzman and Maria P. Roche
Open source is key to innovation yet is assumed to be done largely through intrinsic motivation. How can we incentivize it? In this paper, we examine the impact of a program providing monetary incentives to motivate innovators to contribute to open source. The Sponsors... View Details
- 2024
- Working Paper
The Crowdless Future? Generative AI and Creative Problem Solving
The rapid advances in generative artificial intelligence (AI) open up attractive opportunities for creative problem-solving through human-guided AI partnerships. To explore this potential, we initiated a crowdsourcing challenge focused on sustainable, circular economy... View Details
- August 2023
- Article
Can Security Design Foster Household Risk-Taking?
By: Laurent Calvet, Claire Célérier, Paolo Sodini and Boris Vallée
This paper shows that securities with a non-linear payoff design can foster household risk-taking. We demonstrate this effect empirically by exploiting the introduction of capital guarantee products in Sweden from 2002 to 2007. The fast and broad adoption of these... View Details
- June 2023 (Revised January 2024)
- Case
Chipmaking in the Desert: Taiwan Semiconductor Manufacturing Company's Global Expansion
By: William C. Kirby and Noah B. Truwit
On December 6, 2022, in Phoenix, Arizona, Taiwan Semiconductor Manufacturing Company (TSMC) Executive Chairman Mark Liu outlined the company’s ambitious plans to invest $40 billion to build semiconductor manufacturing plants in Phoenix. The event also celebrated the... View Details
- 2023
- Working Paper
ESG: From Process to Product
By: George Serafeim
ESG measurement, analysis, management, and communication is a process that the financial industry has turned into a product, resulting in many investment funds using the ESG label. This has caused confusion, generating demand for a framework that defines... View Details
- April 2023 (Revised July 2023)
- Case
Fermenting Accounting Problems at Vermont Kombucha Corp.
By: Tatiana Sandino and Marshal Herrmann
Founded in 2005, Vermont Kombucha Corp. (V-Ko) was an early mover in the fledgling U.S. market for kombucha, a drink brewed for its health benefits. Early on, the company captured more than 90% of market share. Under the leadership of its founder and CEO, Joe Williams,... View Details
- March 2023 (Revised March 2025)
- Case
Close Concerns: Diabetes Research and Advocacy
By: Regina Herzlinger and Brian L. Walker
Diagnosed with diabetes at the age of 18, Kelly Close understood the importance of balancing consistency and iteration. This principle had also informed her professional work, which started with a rapid promotion from financial analyst at Goldman Sachs to an analyst... View Details
- March 2023
- Article
Authentic First Impressions Relate to Interpersonal, Social, and Entrepreneurial Success
By: David M. Markowitz, Maryam Kouchaki, Francesca Gino, Jeffrey T. Hancock and Ryan L. Boyd
This paper examines how verbal authenticity influences person perception. Our work combines human judgments and natural language processing to suggest verbal authenticity is a positive predictor of interpersonal interest (Study 1: 294 dyadic conversations), engagement... View Details
- 2023
- Working Paper
Life After Death: A Field Experiment with Small Businesses on Information Frictions, Stigma, and Bankruptcy
By: Shai Benjamin Bernstein, Emanuele Colonnelli, Mitchell Hoffman and Benjamin Iverson
In a randomized control trial (RCT) with U.S. small businesses, we document that a large share of firms are not well-informed about bankruptcy. Many assume that bankruptcy necessarily entails the death of a business and do not know about Chapter 11 bankruptcy, where... View Details
- February 2023
- Article
The Effect of Systems of Management Controls on Honesty in Managerial Reporting
By: Aishwarrya Deore, Susanna Gallani and Ranjani Krishnan
While budgetary controls with capital rationing are optimal in theory and widespread in practice, empirical research documents their association with higher employee dishonesty compared to budgetary controls without rationing. In this study, we examine whether... View Details
- January 2023
- Case
Cleave Therapeutics: Taking a Risk on Oncology Drug Discovery
By: Regina Herzlinger and Brian Walker
What should a successful executive (HBS Baker Scholar) assess as her next move as the CEO of a firm with a promising and yet uncertain new drug? Amy Burroughs’ mandate to successfully commercialize Cleave Therapeutics’ drug for a cancer with no current successful... View Details
- 2023
- Working Paper
Too Many Managers: The Strategic Use of Titles to Avoid Overtime Payments
By: Lauren Cohen, Umit Gurun and N. Bugra Ozel
We find widespread evidence of firms appearing to avoid paying overtime wages by exploiting a
federal law that allows them to do so for employees termed as “managers” and paid a salary above a
pre-defined dollar threshold. We show that listings for salaried positions... View Details